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refactor

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This commit is contained in:
Simon Vandel Sillesen 2019-01-06 09:41:11 +01:00
parent bb8624dff6
commit 2e52b27e71
2 changed files with 26 additions and 35 deletions
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47
crates/ra_lsp_server/src/main_loop/handlers.rs
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@ -93,36 +93,31 @@ pub fn handle_on_type_formatting(
world: ServerWorld,
params: req::DocumentOnTypeFormattingParams,
) -> Result<Option<Vec<TextEdit>>> {
if params.ch != "=" || params.ch != "." {
return Ok(None);
}
let file_id = params.text_document.try_conv_with(&world)?;
let line_index = world.analysis().file_line_index(file_id);
let position = FilePosition {
file_id,
offset: params.position.conv_with(&line_index),
let analysis: Option<Box<Fn(FilePosition) -> Option<SourceChange>>> = match params.ch.as_str() {
"=" => Some(Box::new(|pos| world.analysis().on_eq_typed(pos))),
"." => Some(Box::new(|pos| world.analysis().on_dot_typed(pos))),
_ => None,
};
let analysis: Vec<Box<Fn(FilePosition) -> Option<SourceChange>>> = vec![
Box::new(|pos| world.analysis().on_eq_typed(pos)),
Box::new(|pos| world.analysis().on_dot_typed(pos)),
];
if let Some(ana) = analysis {
let file_id = params.text_document.try_conv_with(&world)?;
let line_index = world.analysis().file_line_index(file_id);
let position = FilePosition {
file_id,
offset: params.position.conv_with(&line_index),
};
// try all analysis until one succeeds
for ana in analysis {
if let Some(mut action) = ana(position) {
return Ok(Some(
action
.source_file_edits
.pop()
.unwrap()
.edit
.as_atoms()
.iter()
.map_conv_with(&line_index)
.collect(),
));
let change: Vec<TextEdit> = action
.source_file_edits
.pop()
.unwrap()
.edit
.as_atoms()
.iter()
.map_conv_with(&line_index)
.collect();
return Ok(Some(change));
}
}